This topic contains a solution. Click here to go to the answer

Author Question: What is the primary purpose of vitamin D in humans? a. to develop acute eyesight b. to maintain ... (Read 24 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
What is the primary purpose of vitamin D in humans?
 
  a. to develop acute eyesight
 b. to maintain the balance of calcium in the body
 c. to prevent the development of respiratory illnesses
  d. to enhance the production of collagen for hair

Question 2

The Aymara Indians, who live in the mountains of Bolivia, have become biologically adapted to their environment by being:
 
  a. short legged and barrel chested and surviving on lower oxygen content.
  b. long legged and extremely thin in comparison to the rest of the nation.
  c. short legged and very narrow chested and surviving on higher oxygen content.
  d. excellent climbers with an extraordinary sense of balance.
  e. long legged and stocky chested because of enlarged heart and lungs.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

b

Answer to Question 2

a





 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library